Home / 1,747.28-2,414.70-1,432.04

Finding the Fourth Proportional to 1,747.28, 2,414.70 and 1,432.04

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Solution

The fourth proportional to 1,747.28, 2,414.70 and 1,432.04 is: 1,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.28 : 2,414.70 = 1,432.04 : x
  2. Step 2: Convert to fraction form
    1,747.28/2,414.70 = 1,432.04/x
  3. Step 3: Cross multiply
    1,747.28x = 2,414.70 × 1,432.04
  4. Step 4: Simplify right side
    1,747.28x = 3,457,946.99
  5. Step 5: Solve for x
    x = 3,457,946.99/1,747.28
  6. Step 6: Final answer
    x = 1,979.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.